NOTE: The scripts inside ```ihdp``` folder need not to be executed separately.


Running read_ascii_data.do will result in 19 dta files with the following names:

* DSC0001: INVNTRY, Primary Analysis Dataset, DS0144, p.239
* DSC0007: F3A, Birth Registration Part A, DS0144, p.292
* DSC0009: F3B, Birth Registration Part B, DS0144, p.297
* DSC0015: F7, 40-week Family Interview, DS0144, p.313
* DSC0021: F11, 4-Months Family Interview, DS0144, p.359
* DSC0035: F18, 12-Month Family Interview, DS0144, p.435
* DSC0043: F22, 12-Month Home Assessment, DS0144, p.497
* DSC0045: F23, 12-Month Bayley Mental Scale, DS0144, p.517
* DSC0047: F24, 12-Month Bayley Motor Scale, DS0144, p.529 
* DSC0051: F28, 18-Month Family Interview, DS0144, p.545
* DSC0059: F33, 18-Month PPVT-R Summary, DS0144, p.591
* DSC0061: F34, 24-Month Family Interview, DS0144, p.597
* DSC0071: F39, 24-Month Bayley Mental Scale, DS0144, p.673
* DSC0073: F40, 24-Month Bayley Motor Scale, DS0144, p.687
* DSC0081: F47, 30-Month Family Interview, DS0145, p.23
* DSC0089: F52, 36-Month Family Interview, DS0145, p.73
* DSC0097: F56, 36-Month Home Assessment, DS0145, p.147
* DSC0099: F57, 36-Month Stanford-Binet IQ Scale, DS0145, p.177
* DSC0101: F58, 36-Month Peabody Picture Vocabulary Test, DS0145, p.185

Specific variables pulled from each of the instruments can be found in corresponding do files in "ihdp/" subfolder. "DS0144, p.239" describes specific pdf file (part of the data downloaded from ICPSR) and the corresponding page that contains the codebook for each instrument. 